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Multilayer film structure electrochromic displayer

An electrochromic, multi-layer film technology, applied in instruments, nonlinear optics, optics, etc., can solve the problem of single variable color

Active Publication Date: 2015-06-24
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the above analysis, the present invention aims to provide a continuously changing display device based on electrochromism in the visible spectrum range, in order to solve the problem of single variable color of the existing electrochromic display device

Method used

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Examples

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specific Embodiment approach 1

[0020] A multi-layer film structure electrochromic display 100, such as figure 1 . Using any material as the substrate 10, the bottom electrode layer 20, the ion storage layer 30, the electrolyte layer 40, the one-dimensional photonic crystal color-changing layer 50, the top electrode layer 60 and the protective layer 70 are sequentially sputtered by magnetron sputtering.

[0021] Wherein the substrate 10 can be any flexible or rigid substrate, which plays a role in supporting the entire display; the bottom electrode layer 20 and the top electrode layer 60 can be the same or different, and it is made of transparent metal oxides such as tin-doped indium oxide, fluorine-doped mixed tin oxide, aluminum-doped zinc oxide; the ion storage layer 30 can be any electrochromic material, such as tungsten oxide, nickel oxide, titanium oxide, molybdenum oxide, vanadium pentoxide, or two of them or a variety of mixtures; the electrolyte layer 40 is an electronically insulating and ion-cond...

specific Embodiment approach 2

[0023] A multi-layer film structure electrochromic display 110, such as image 3 . Using any material as the substrate 10, use the magnetron sputtering method to sequentially sputter the ion barrier layer 11, the bottom metal electrode layer 19, the bottom electrode layer 20, the ion storage layer 30, the electrolyte layer 40, the one-dimensional photonic crystal color-changing layer 50, The top electrode layer 60 , the top metal electrode layer 61 and the protection layer 70 .

[0024] Wherein the substrate 10 rigid glass substrate plays the role of supporting the whole display; the ion blocking layer 11 is generally made of silicon dioxide to prevent sodium ions in the glass from entering the device; the bottom metal electrode layer 19 and the top metal electrode layer 61 are made of metal The bottom electrode layer 20 and the top electrode layer 60 can be the same or different, and they are made of transparent metal oxides such as tin-doped indium oxide, fluorine-doped tin...

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Abstract

The invention relates to a multilayer film structure electrochromic displayer. Based on the electrochromic technology and the photonic crystal technology, two electrochromic materials are alternated to form a film, a one-dimensional photonic crystal is formed, after ions are injected into an electrochromic layer, the refractive indexes of different electrochromic materials have different changes, therefore, a photonic crystal forbidden band is changed, so that the reflectance spectrum of a device is changed, and the continuous change of colors and regulation and control over the colors are achieved.

Description

technical field [0001] The invention relates to the technical field of electrochromic materials, in particular to an electrochromic display with a multilayer film structure and a manufacturing method thereof. Background technique [0002] Electrochromic materials can achieve reversible changes in the optical properties of materials such as reflection, transmission or absorption by changing the applied electric field. It only needs a small power to drive the electrochromic device. Compared with the traditional picture tube technology, it is safe, fast, and small in size. It is one of the mainstream of the new generation of display technology. At the same time, its excellent performance can also be used in smart windows, rearview mirrors, etc. [0003] Electrochromic devices generally include electrode layers, electrochromic layers, and electrolyte layers. By applying a certain voltage to the electrodes, ions in the electrolyte, such as lithium ions or hydrogen ions, are inj...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/153G02F1/155
CPCG02F1/1525G02F1/155G02F2001/1536
Inventor 李垚张翔赵九蓬李娜吕海明田燕龙
Owner HARBIN INST OF TECH
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